You may not know that you have Lyme. It can mimic every disease process including Chronic Fatigue Syndrome, Fibromyalgia, autoimmune conditions including MS, psychiatric conditions including depression and anxiety, and cause significant memory and concentration problems mimicking early dementia. It is called the "Great Imitator" and inaccurate testing—combined with an ongoing scientific and political debate that questions chronic infection—makes it difficult for sufferers to find appropriate care.